The JULI® layflat tunnel ventilation duct is frequently used in the underground with blowing air (positive pressure) from the tunnel outside, which provides enough fresh air for the tunneling project to assure the worker’s safety.
The JULI® oval ventilation duct is used for low headroom or small mine tunnels with a height limit. It is made in an oval shape to reduce the headroom requirement by 25% to permit the large equipment to be used.
The JULI® Accessories & Fittings are widely used in underground mine tunnels to connect excessive main and branch tunnels, as well as for turning, reducing, and switching, etc.
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